Tau Gamma Sigma also known as the Triskelion Grand Sorority, is a sorority founded at the premier state run and owned educational institution in the Philippines, the University of the Philippines on January 17, 1969.  An affiliated sorority of the Tau Gamma Phi, also known as the Triskelion Grand Fraternity. It is considered as one of the most dynamic sororities in the Philippines today. Sailor gets a custom fraternity symbol done in morbid tattoo parlor in cash and carry mall makati manila, Philippines.